--- configure.orig	2004-11-16 06:47:00.000000000 -0800
+++ configure	2007-07-29 22:04:42.000000000 -0700
@@ -8335,7 +8335,7 @@
 int
 main ()
 {
- _Complex double val;
+ volatile _Complex double val;
                   val = ccosh(cacosh(1.5) / 100.0)
 
   ;